File:William Lloyd Garrison.jpg|thumb|William Lloyd Garrison, 1833, Oil on wood by Nathaniel Jocelyn.
File:Remember Your Weekly Pledge Massachusetts Anti-Slavey Society collection box.jpg|thumb|right|250px|''Remember Your Weekly Pledge'', collection box for Massachusetts Anti-Slavery Society. Set aside in the home, the box was designed to remind members to make their weekly contribution. Circa 1850
The '''Massachusetts Anti-Slavery Society''' headquartered in Boston
was organized as an auxiliary of the American Anti-Slavery Society
in 1835. Its roots were in the New England Anti-Slavery Society, organized by William Lloyd Garrison
, editor of ''The Liberator (newspaper)|The Liberator
,'' in 1831.